php文件上传时文件名包含%和英文单引号和英文逗号会上传失败，怎么进行转义？急！
------解决方案--------------------
//循环排除替换文件名中的非法字符
$errorchar=array ("-"," ","~","!","@","#","$","%","^","&","(",")","+",","," （","）","？","！","《","》","：","；","——");
foreach($errorchar as $char)
{
if(strpos($upload_file,$char)){
$upload_file=str_replace($char,"_",$upload_file);
}
}